134 lines
3.6 KiB
C++
134 lines
3.6 KiB
C++
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#pragma once
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/** Place this macro in the declaration of each cBlockEntity descendant. */
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#define BLOCKENTITY_PROTODEF(classname) \
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virtual bool IsA(const char * a_ClassName) const override \
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{ \
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return ((strcmp(a_ClassName, #classname) == 0) || super::IsA(a_ClassName)); \
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} \
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virtual const char * GetClass(void) const override \
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{ \
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return #classname; \
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} \
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static const char * GetClassStatic(void) \
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{ \
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return #classname; \
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} \
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virtual const char * GetParentClass(void) const override \
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{ \
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return super::GetClass(); \
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}
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class cChunk;
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class cPlayer;
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class cWorld;
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// tolua_begin
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class cBlockEntity
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{
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protected:
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cBlockEntity(BLOCKTYPE a_BlockType, int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World) :
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m_PosX(a_BlockX),
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m_PosY(a_BlockY),
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m_PosZ(a_BlockZ),
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m_RelX(a_BlockX - cChunkDef::Width * FAST_FLOOR_DIV(a_BlockX, cChunkDef::Width)),
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m_RelZ(a_BlockZ - cChunkDef::Width * FAST_FLOOR_DIV(a_BlockZ, cChunkDef::Width)),
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m_BlockType(a_BlockType),
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m_World(a_World)
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{
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}
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public:
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// tolua_end
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virtual ~cBlockEntity() {} // force a virtual destructor in all descendants
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virtual void Destroy(void) {}
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void SetWorld(cWorld * a_World)
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{
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m_World = a_World;
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}
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/** Creates a new block entity for the specified block type
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If a_World is valid, then the entity is created bound to that world
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Returns nullptr for unknown block types. */
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static cBlockEntity * CreateByBlockType(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World = nullptr);
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static const char * GetClassStatic(void) // Needed for ManualBindings's ForEach templates
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{
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return "cBlockEntity";
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}
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/** Returns true if the object is the specified class, or its descendant. */
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virtual bool IsA(const char * a_ClassName) const { return (strcmp(a_ClassName, "cBlockEntity") == 0); }
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/** Returns the name of the tompost class (the most descendant). Used for Lua bindings to push the correct object type. */
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virtual const char * GetClass(void) const { return GetClassStatic(); }
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/** Returns the name of the parent class, or empty string if no parent class. */
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virtual const char * GetParentClass(void) const { return ""; }
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// tolua_begin
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// Position, in absolute block coordinates:
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Vector3i GetPos(void) const { return Vector3i{m_PosX, m_PosY, m_PosZ}; }
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int GetPosX(void) const { return m_PosX; }
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int GetPosY(void) const { return m_PosY; }
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int GetPosZ(void) const { return m_PosZ; }
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BLOCKTYPE GetBlockType(void) const { return m_BlockType; }
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cWorld * GetWorld(void) const { return m_World; }
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int GetChunkX(void) const { return FAST_FLOOR_DIV(m_PosX, cChunkDef::Width); }
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int GetChunkZ(void) const { return FAST_FLOOR_DIV(m_PosZ, cChunkDef::Width); }
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int GetRelX(void) const { return m_RelX; }
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int GetRelZ(void) const { return m_RelZ; }
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// tolua_end
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/** Called when a player uses this entity; should open the UI window */
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virtual void UsedBy( cPlayer * a_Player) = 0;
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/** Sends the packet defining the block entity to the client specified.
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To send to all eligible clients, use cWorld::BroadcastBlockEntity() */
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virtual void SendTo(cClientHandle & a_Client) = 0;
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/** Ticks the entity; returns true if the chunk should be marked as dirty as a result of this ticking. By default does nothing. */
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virtual bool Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
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{
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UNUSED(a_Dt);
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return false;
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}
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protected:
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/** Position in absolute block coordinates */
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int m_PosX, m_PosY, m_PosZ;
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/** Position relative to the chunk, used to speed up ticking */
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int m_RelX, m_RelZ;
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BLOCKTYPE m_BlockType;
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cWorld * m_World;
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} ; // tolua_export
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